GB 1923 SGD18var Postage Due colour trial
Stock Code: G1671653
1923 2s6d Postage due colour trials (1st series - 8th Sept 1923). A superb imperforate irregular block of three printed on gummed, wove unwatermarked paper mounted on stout white card numbered "PD52" and annotated with the official colour description "Prouts Brown MB 10378". A series of 24 different colour trials were produced at Somerset House from a specially made Royal Mint plate of four impressions of the ½d die, this is from the first series of five in diferent shades of brown. In the place of the missing 4th stamp can be seen a manuscript annotation "To HM" (His Majesty) and now residesin the Royal Philatelic Collection. A spectacular and unique piece.
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